On Fri, Oct 13, 2017 at 12:23 PM, 'Pushkar' via golang-nuts
<golang-nuts@googlegroups.com> wrote:
> I need to call some C functions from Go. I think I know how to proceed using
> cgo.
> However, I was wondering how goroutines and blocking calls in the C
> functions work together.
> So in the below example (pseudocode) will the goroutine be suspended when
> the pthread_lock call is waiting to acquire the lock?
Yes.
> I am guessing that the Go engine will detect that the OS thread on which the
> goroutine(s) are running is blocked so it will suspend them too.
> Once the thread is runnable, the blocked goroutines will be scheduled to
> run.
Yes.
Ian
> For example:
>
> int cfunc (int a) {
> pthread_lock(..);
> ++a;
> pthread_unlock();
> }
>
> func main() {
> for (i := 0; i < 100; i++) {
> go cfunc(i)
> }
> }
>
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